CN203159542U - System for directly preparing fuel oil from coal - Google Patents
System for directly preparing fuel oil from coal Download PDFInfo
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- CN203159542U CN203159542U CN2013201558923U CN201320155892U CN203159542U CN 203159542 U CN203159542 U CN 203159542U CN 2013201558923 U CN2013201558923 U CN 2013201558923U CN 201320155892 U CN201320155892 U CN 201320155892U CN 203159542 U CN203159542 U CN 203159542U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The utility model relates to a system for directly preparing fuel oil from coal. The system comprises a coal pyrolysis unit A, a coal tar hydrogenation upgrading unit B and a coal gasification oil preparation unit C which are communicated with each other. According to the system and process for directly preparing high-quality fuel oil from coal, the raw material coal can be directly prepared into high-quality diesel which can meet the requirements of Class II or above in World Fuel Specifications; and meanwhile, a complicated upgrading process system is omitted, thus greatly lowering the processing cost.
Description
Technical field
The utility model belongs to technical field of coal chemical industry, is specifically related to a kind of system that adopts coal directly to prepare oil fuel.
Background technology
China is that coal resource enriches and the country of petroleum resources relative shortage, along with fast development of national economy, China is to the demand sustainable growth of oil product, caused the growth year by year of crude oil import amount, Chinese crude oil import amount was about 2.71 hundred million tons in 2012, accounting for the over half of crude oil in China processing total amount, in order to alleviate national economy to the dependency development of imported crude oil, therefore is that the technology of principle production oil fuel has become the strategic issue that is related to national energy security with the coal.
Coal oil tech processed commonly used at present mainly contains direct coal liquefaction technology (as HTI, technologies such as IGOR and NEDOL), the process of ICL for Indirect Coal Liquefaction technology (Sacol, MDS, MTG, technologies such as Syntroleum) and coal tar hydrorefining.Foreign matter contents such as direct coal liquefaction technology gained oil product sulphur, nitrogen are higher, and cetane value is low, and condensation point is lower; The oil fuel that the ICL for Indirect Coal Liquefaction technology makes is impurity such as sulfur-bearing, nitrogen not, but cetane value is too high, and condensation point is higher, must spend excessive cost and just can produce qualified diesel product through harsh hydrogenation process for upgrading; ICL for Indirect Coal Liquefaction gained diesel cetane-number is up to 70, and coal tar hydrogenation process gained diesel cetane-number is between 30-35, do not meet all that " world fuel standards II class standard diesel oil standard needs just can use or only as the diesel oil mixed oil through upgrading.
The utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, provide a kind of feed coal direct production that can adopt to go out satisfied " the above high-quality diesel oil that requires of world fuel standards II class, save complicated process for upgrading system simultaneously, the employing coal that has greatly reduced tooling cost directly prepares the system of oil fuel.
For achieving the above object, the technical solution adopted in the utility model is: comprise that the pyrolysis of coal unit that links to each other with feed coal, hydrogen outlet and the outlet of pyrolysis coal tar of pyrolysis of coal unit are connected with coal tar hydrogenating upgrading unit, the semicoke outlet of pyrolysis of coal unit is connected with gasification system oil unit, and coal tar hydrogenating upgrading unit is connected with the oil product make-up tank respectively with the outlet of gasification system oil unit.
Described pyrolysis of coal unit comprises the pyrolysis oven that links to each other with feed coal and the oil gas separation equipment that is connected with pyrolysis oven top pyrolysis oil gas vent, and the hydrogen outlet of oil gas separation equipment and pyrolysis do not add oil export and be connected with coal tar hydrogenating upgrading unit.
Described oil gas separation equipment comprises the separator that is connected with the pyrolysis oil gas vent of pyrolysis oven, the dirt pyrolysis oil gas vent that takes off of separator is connected with the condensing tower entrance, the separator bottom is provided with the semi-coke powder outlet, the condensing tower top is provided with the pyrolysis gas exit, the bottom is provided with the outlet of pyrolysis coal tar, the pyrolysis gas exit of condensing tower is connected with the entrance of the pressure-swing absorption apparatus that offers hydrogen outlet, and the pressure-swing absorption apparatus top offers the dehydrogenation gas exit.
Described coal tar hydrogenating upgrading unit comprises the process furnace that links to each other with the condensing tower lower end pyrolysis coal tar outlet of pyrolysis of coal unit, the preheating coal tar outlet of process furnace is connected with hydrofining reactor top entrance, and the hydrogen outlet of the pressure-swing absorption apparatus of pyrolysis of coal unit is connected with hydrofining reactor, and the export of finished oil of hydrofining reactor is connected with the oil product make-up tank behind the oil product splitting equipment.
Described oil product splitting equipment comprises the high-pressure separation columns that is connected with the export of finished oil of hydrofining reactor, the top of high-pressure separation columns offers the outlet of high pressure light constituent impurity, the primary purification export of finished oil of high-pressure separation columns is connected with the light pressure separator import, the top of light pressure separator offers the outlet of low pressure light constituent impurity, the secondary-cleaned export of finished oil of low pressure knockout tower is connected with the import of atmospheric distillation tower, atmospheric distillation top of tower and bottom offer the outlet of light constituent impurity and the outlet of heavy constituent impurity respectively, and the coal tar hydrogenating diesel oil outlet of atmospheric distillation tower links to each other with the entrance of oil product make-up tank.
Described gasification system oil unit comprises the vapourizing furnace that links to each other with the semicoke outlet of pyrolysis oven lower end, the lower end of vapourizing furnace offers the outlet of gasification of coal tar, the outlet of top of gasification furnace gasification raw gas links to each other with the entrance of synthetic gas cleaning system, the outlet of synthetic gas cleaning system is connected with the import of Fischer-Tropsch synthesis device, the oil fuel outlet of Fischer-Tropsch synthesis device is connected with gas-liquid separator, the top of gas-liquid separator offers the gaseous impurities outlet, and the Fischer-Tropsch combined diesel oil outlet of gas-liquid separator is connected with the entrance of oil product make-up tank.
Described synthetic gas cleaning system comprises the cyclonic separator that is connected with the outlet of top of gasification furnace gasification raw gas, the cyclonic separator bottom offers the solid impurity outlet, the dust-removing gas gas exit of cyclonic separator is connected with the import of water wash column, the water wash column bottom offers the outlet of washing impurity, and the syngas outlet of water wash column links to each other with the entrance of Fischer-Tropsch synthesis device.
On the top of gasification furnace gasification raw gas export pipeline of described gasification system oil unit threeway is installed, the synthetic outlet with raw gas is connected with the cyclonic separator import in the threeway, thermal barrier is connected with pyrolysis oven with the raw gas outlet in the threeway, and the semi-coke powder outlet of the separator of pyrolysis of coal unit bottom is connected with vapourizing furnace import in the coal gas system oil unit.
Tempering tank also is installed between described condensing tower and the process furnace, and the mixed coal tar outlet of tempering tank links to each other with the entrance of process furnace, and the outlet of the gasification of coal tar of the lower end of vapourizing furnace also is connected with the entrance of tempering tank.
Beneficial effect: the coal that the utility model provides directly system and the technology of the high-quality oil fuel of system can go out satisfied " the high-quality diesel oil that requires more than the world fuel standards II class from the feed coal direct production, save complicated process for upgrading system simultaneously, greatly reduced tooling cost.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2.
Reference numeral implication among the figure:
A-pyrolysis of coal unit, B-coal tar hydrogenating upgrading unit, C-gasification system oil unit, the 1-pyrolysis oven, 2-vapourizing furnace, 3-cyclonic separator, the 4-water wash column, 5-Fischer-Tropsch synthesis device, 6-gas-liquid separator, the 7-1-separator, the 7-2-condensing tower, 8-pressure-swing absorption apparatus, 9-process furnace, the 10-hydrofining reactor, the 11-high-pressure separation columns, 12-light pressure separator, 13-atmospheric distillation tower, 14-oil product make-up tank, the 15-feed coal, 16-pyrolysis oil gas vent, the outlet of 17-semicoke, the outlet of 18-gasification of coal tar, the outlet of 19-gasification raw gas, the outlet of 20-solid impurity, 21-dust-removing gas gas exit, the outlet of 22-washing impurity, the 23-syngas outlet, the outlet of 24-oil fuel, the outlet of 25-gaseous impurities, the outlet of 26-Fischer-Tropsch combined diesel oil, 27-pyrolysis gas exit, the outlet of 28-pyrolysis coal tar, 29-dehydrogenation gas exit, the 30-hydrogen outlet, the outlet of 31-preheating coal tar, 32-export of finished oil, the outlet of 33-high pressure light constituent impurity, 34-primary purification export of finished oil, the outlet of 35-low pressure light constituent impurity, 36-secondary-cleaned export of finished oil, the outlet of 37-light constituent impurity, the outlet of 38-heavy constituent impurity, the outlet of 39-coal tar hydrogenating diesel oil, the high-quality diesel oil of 40-, the 41-thermal barrier exports with raw gas, 42-is synthetic to be exported with raw gas, the outlet of 43-mixed coal tar, 44-threeway, 45-tempering tank, 46-takes off dirt pyrolysis oil gas vent, the outlet of 47-semi-coke powder.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Embodiment 1: referring to Fig. 1, present embodiment comprises that the hydrogen outlet of the pyrolysis of coal unit A, the pyrolysis of coal unit A that link to each other with feed coal and the outlet of pyrolysis coal tar are connected with coal tar hydrogenating upgrading unit B, the outlet of the semicoke of pyrolysis of coal unit A is connected with gasification system oil unit C, coal tar hydrogenating upgrading unit B with export high-quality diesel oil 40 after the outlet of gasification system oil unit C is connected with oil product make-up tank 14 respectively;
Described pyrolysis of coal unit A comprises the pyrolysis oven 1 that links to each other with feed coal 15 and the oil gas separation equipment that is connected with pyrolysis oven 1 top pyrolysis oil gas vent 16, the hydrogen outlet 30 of oil gas separation equipment and pyrolysis coal add oil export 28 and are connected with coal tar hydrogenating upgrading unit B, wherein, oil gas separation equipment comprises the separator 7-1 that is connected with the pyrolysis oil gas vent 16 of pyrolysis oven 1, the dirt pyrolysis oil gas vent 46 that takes off of separator 7-1 is connected with condensing tower 7-2 entrance, separator 7-1 bottom is provided with semi-coke powder outlet 47, condensing tower 7-2 top is provided with pyrolysis gas exit 27, the bottom is provided with pyrolysis coal tar outlet 28, the pyrolysis gas exit 27 of condensing tower 7-2 is connected with the entrance of the pressure-swing absorption apparatus 8 that offers hydrogen outlet 30, and pressure-swing absorption apparatus 8 tops offer dehydrogenation gas exit 29;
Described coal tar hydrogenating upgrading unit B comprises condensing tower 7-2 lower end pyrolysis coal tar outlet 28 process furnace that link to each other 9 with pyrolysis of coal unit A, the preheating coal tar of process furnace 9 outlet 31 is connected with hydrofining reactor 10 top entrances, and the hydrogen outlet 30 of the pressure-swing absorption apparatus 8 of pyrolysis of coal unit A is connected with hydrofining reactor 10, and the export of finished oil of hydrofining reactor 10 is connected with oil product make-up tank 14 behind the oil product splitting equipment; Wherein, the oil product splitting equipment comprises the high-pressure separation columns 11 that is connected with the export of finished oil 32 of hydrofining reactor 10, the top of high-pressure separation columns 11 offers high pressure light constituent impurity outlet 33, the primary purification export of finished oil 34 of high-pressure separation columns 11 is connected with light pressure separator 12 imports, the top of light pressure separator 12 offers low pressure light constituent impurity outlet 35, the secondary-cleaned export of finished oil 36 of low pressure knockout tower 12 is connected with 13 imports of atmospheric distillation tower, atmospheric distillation tower 13 tops and bottom offer light constituent impurity outlet 37 and heavy constituent impurity outlet 38 respectively, and the coal tar hydrogenating diesel oil outlet of atmospheric distillation tower 13 39 links to each other with the entrance of oil product make-up tank 14;
Described gasification system oil unit C comprises semicoke outlet 17 vapourizing furnaces that link to each other 2 with pyrolysis oven 1 lower end, the lower end of vapourizing furnace 2 offers gasification of coal tar outlet 18, vapourizing furnace 2 tops gasifications raw gas outlet 19 links to each other with the entrance of synthetic gas cleaning system, the outlet of synthetic gas cleaning system is connected with 5 imports of Fischer-Tropsch synthesis device, the oil fuel of Fischer-Tropsch synthesis device 5 outlet 24 is connected with gas-liquid separator 6, the top of gas-liquid separator 6 offers gaseous impurities outlet 25, the Fischer-Tropsch combined diesel oil of gas-liquid separator 6 outlet 26 is connected with the entrance of oil product make-up tank 14, wherein, synthetic gas cleaning system comprises and vapourizing furnace 2 tops gasification raw gas outlet 19 cyclonic separators that are connected 3, cyclonic separator 3 bottoms offer solid impurity outlet 20, the dust-removing gas gas exit 21 of cyclonic separator 3 is connected with the import of water wash column 4, water wash column 4 bottoms offer washing impurity outlet 22, and the syngas outlet 23 of water wash column 4 links to each other with the entrance of Fischer-Tropsch synthesis device 5.
The utility model specific embodiment is as follows:
At first granularity is sent into less than the feed coal 15 of 100mm and carried out pyrolysis in the pyrolysis oven 1, pyrolysis under 500-800 ℃ state, semicoke is discharged from pyrolysis oven 1 bottom and is entered the vapourizing furnace 2, be converted into gasification raw gas and gasification coal tar, gasification of coal tar is discharged from vapourizing furnace 2 bottoms, the gasification raw gas is successively by cyclonic separator 3, water wash column 4 obtains synthetic gas, synthetic gas enters Fischer-Tropsch synthesis device 5, synthetic gas is converted into oil fuel in Fischer-Tropsch synthesis device 5, and in gas-liquid separator 6, realize Fischer-Tropsch combined diesel oil and gas separate impurities, simultaneously, the pyrolysis oil gas that pyrolysis oven 1 pyrolysis is produced obtains taking off dirt pyrolysis oil gas and semi-coke powder through separator 7-1, take off dirt pyrolysis oil gas and in condensing tower 7-2, obtain pyrolysis coal gas and pyrolysis coal tar, pyrolysis coal gas gets hydrogen and feeds in the hydrofining reactor 10 in pressure-swing absorption apparatus 8, pyrolysis coal tar enters preheating in the process furnace 9, preheating coal tar enters hydrofining in the hydrofining reactor 10, the gained processed oil enters high-pressure separation columns 11 and light pressure separator 12 carries out gas-liquid separation subsequently, enter atmospheric distillation tower 13 through the secondary-cleaned processed oil after twice separation, cut coal tar hydrogenating diesel oil, separate the Fischer-Tropsch combined diesel oil that obtains and in oil product make-up tank 14, allocate and can obtain high-quality diesel oil 40 subsequently with in the gas-liquid separator 6.
The specific embodiment that directly prepares high-quality oil fuel by the realization feed coal of the system shown in the accompanying drawing 2 is as follows:
At first granularity is sent into less than the feed coal 15 of 100mm and carried out pyrolysis in the pyrolysis oven 1, pyrolysis under 500-800 ℃ state, the main product that generates is coal gas, coal tar and semicoke, product yield is respectively 2.04%, 8.77%, and 73.26%.Semicoke 17 is discharged from pyrolysis oven 1 bottom and is entered the vapourizing furnace 2, and being converted into gasification raw gas 19(main component is CO, H
2, CH
4, CO
2Deng) and gasification coal tar 18.
Gasification of coal tar is discharged from vapourizing furnace 2 bottoms and is mixed tempering tank 45 with the isolated pyrolysis coal tar of condenser 7-2 and obtains mixed coal tar, feeds jointly then in the process furnace 9; The gasification raw gas of vapourizing furnace 2 by threeway 44 wherein 0%-50% return pyrolysis oven 1 as thermal barrier with raw gas, successively by cyclonic separator 3, water wash column 4 obtains synthetic gas with raw gas for all the other 100%-50% synthetic.Synthetic gas enters Fischer-Tropsch synthesis device 5, and in Fischer-Tropsch synthesis device 5, synthetic gas is converted into oil fuel, and realizes Fischer-Tropsch combined diesel oil and gas separate impurities in gas-liquid separator 6.Simultaneously, the pyrolysis oil gas that pyrolysis is produced obtains pyrolysis oil gas and semi-coke powder through separator 7-1, semi-coke powder feeds in the vapourizing furnace 2 as gasified raw material, the separation after feeding condensing tower 7-2 of pyrolysis oil gas obtains pyrolysis coal gas and pyrolysis coal tar, pyrolysis coal gas gets hydrogen and feeds in the hydrofining reactor 10 in pressure-swing absorption apparatus 8, the mixed coal tar of gained enters preheating in the process furnace 9 in the tempering tank 45, preheating coal tar enters hydrofining in the hydrofining reactor 10, the gained processed oil enters high-pressure separation columns 11 and light pressure separator 12 carries out gas-liquid separation subsequently, enter atmospheric distillation tower 13 through the secondary-cleaned processed oil after twice separation, cut coal tar hydrogenating diesel oil, separate the Fischer-Tropsch combined diesel oil that obtains and in oil product make-up tank 14, allocate and can obtain high-quality diesel oil 40 subsequently with in the gas-liquid separator 6.
Claims (9)
1. system that adopts coal directly to prepare oil fuel, it is characterized in that: comprise that the pyrolysis of coal unit (A) that links to each other with feed coal, hydrogen outlet and the outlet of pyrolysis coal tar of pyrolysis of coal unit (A) are connected with coal tar hydrogenating upgrading unit (B), the semicoke outlet of pyrolysis of coal unit (A) is connected with gasification system oil unit (C), and coal tar hydrogenating upgrading unit (B) is connected with oil product make-up tank (14) respectively with the outlet of gasification system oil unit (C).
2. employing coal according to claim 1 directly prepares the system of oil fuel, it is characterized in that: described pyrolysis of coal unit (A) comprises the pyrolysis oven (1) that links to each other with feed coal (15) and the oil gas separation equipment that is connected with pyrolysis oven (1) top pyrolysis oil gas vent (16), and the hydrogen outlet of oil gas separation equipment (30) and pyrolysis do not add oil export (28) and be connected with coal tar hydrogenating upgrading unit (B).
3. employing coal according to claim 2 directly prepares the system of oil fuel, it is characterized in that: described oil gas separation equipment comprises the separator (7-1) that is connected with the pyrolysis oil gas vent (16) of pyrolysis oven (1), the dirt pyrolysis oil gas vent (46) that takes off of separator (7-1) is connected with condensing tower (7-2) entrance, separator (7-1) bottom is provided with semi-coke powder outlet (47), condensing tower (7-2) top is provided with pyrolysis gas exit (27), the bottom is provided with pyrolysis coal tar outlet (38), the pyrolysis gas exit (27) of condensing tower (7-2) is connected with the entrance of the pressure-swing absorption apparatus that offers hydrogen outlet (30) (8), and pressure-swing absorption apparatus (8) top offers dehydrogenation gas exit (29).
4. employing coal according to claim 1 directly prepares the system of oil fuel, it is characterized in that: described coal tar hydrogenating upgrading unit (B) comprises the process furnace (9) that links to each other with condensing tower (7-2) the lower end pyrolysis coal tar outlet (28) of pyrolysis of coal unit (A), the preheating coal tar outlet (31) of process furnace (9) is connected with hydrofining reactor (10) top entrance, and the hydrogen outlet (30) of the pressure-swing absorption apparatus (8) of pyrolysis of coal unit (A) is connected with hydrofining reactor (10), and the export of finished oil of hydrofining reactor (10) is connected with oil product make-up tank (14) behind the oil product splitting equipment.
5. employing coal according to claim 4 directly prepares the system of oil fuel, it is characterized in that: described oil product splitting equipment comprises the high-pressure separation columns (11) that is connected with the export of finished oil (32) of hydrofining reactor (10), the top of high-pressure separation columns (11) offers high pressure light constituent impurity outlet (33), the primary purification export of finished oil (34) of high-pressure separation columns (11) is connected with light pressure separator (12) import, the top of light pressure separator (12) offers low pressure light constituent impurity outlet (35), the secondary-cleaned export of finished oil (36) of low pressure knockout tower (12) is connected with atmospheric distillation tower (13) import, atmospheric distillation tower (13) top and bottom offer light constituent impurity outlet (37) and heavy constituent impurity outlet (38) respectively, and the coal tar hydrogenating diesel oil outlet (39) of atmospheric distillation tower (13) links to each other with the entrance of oil product make-up tank (14).
6. employing coal according to claim 1 directly prepares the system of oil fuel, it is characterized in that: described gasification system oil unit (C) comprises the vapourizing furnace (2) that links to each other with the semicoke outlet (17) of pyrolysis oven (1) lower end, the lower end of vapourizing furnace (2) offers gasification of coal tar outlet (18), vapourizing furnace (2) top gasification raw gas outlet (19) links to each other with the entrance of synthetic gas cleaning system, the outlet of synthetic gas cleaning system is connected with Fischer-Tropsch synthesis device (5) import, the oil fuel outlet (24) of Fischer-Tropsch synthesis device (5) is connected with gas-liquid separator (6), the top of gas-liquid separator (6) offers gaseous impurities outlet (25), and the Fischer-Tropsch combined diesel oil outlet (26) of gas-liquid separator (6) is connected with the entrance of oil product make-up tank (14).
7. employing coal according to claim 6 directly prepares the system of oil fuel, it is characterized in that: described synthetic gas cleaning system comprises the cyclonic separator (3) that is connected with vapourizing furnace (2) top gasification raw gas outlet (19), cyclonic separator (3) bottom offers solid impurity outlet (20), the dust-removing gas gas exit (21) of cyclonic separator (3) is connected with the import of water wash column (4), water wash column (4) bottom offers washing impurity outlet (22), and the syngas outlet (23) of water wash column (4) links to each other with the entrance of Fischer-Tropsch synthesis device (5).
8. employing coal according to claim 7 directly prepares the system of oil fuel, it is characterized in that: on vapourizing furnace (2) top gasification raw gas outlet (19) pipeline of described gasification system oil unit (C) threeway (44) is installed, synthesize with raw gas outlet (42) in the threeway (44) and be connected with cyclonic separator (3) import, thermal barrier is connected with pyrolysis oven (1) with raw gas outlet (41) in the threeway (44), and the separator (7-1) of pyrolysis of coal unit (A) bottom semi-coke powder outlet (17) is connected with vapourizing furnace (2) import in the coal gas system oil unit (C).
9. employing coal according to claim 4 directly prepares the system of oil fuel, it is characterized in that: between described condensing tower (7-2) and the process furnace (9) tempering tank (45) is installed also, the mixed coal tar outlet (43) of tempering tank (45) links to each other with the entrance of process furnace (9), and the gasification of coal tar of the lower end of vapourizing furnace (2) outlet (18) also is connected with the entrance of tempering tank (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201558923U CN203159542U (en) | 2013-03-29 | 2013-03-29 | System for directly preparing fuel oil from coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201558923U CN203159542U (en) | 2013-03-29 | 2013-03-29 | System for directly preparing fuel oil from coal |
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| Publication Number | Publication Date |
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| CN203159542U true CN203159542U (en) | 2013-08-28 |
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ID=49020742
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201558923U Withdrawn - After Issue CN203159542U (en) | 2013-03-29 | 2013-03-29 | System for directly preparing fuel oil from coal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103160305A (en) * | 2013-03-29 | 2013-06-19 | 陕西煤业化工技术研究院有限责任公司 | System and technique for directly preparing fuel oil from coal |
| CN105460890A (en) * | 2015-12-03 | 2016-04-06 | 东华工程科技股份有限公司 | Method for producing hydrogen by converting membrane separation impermeable gas obtained after membrane separation of oil wash dry gas used in coal liquefaction project |
-
2013
- 2013-03-29 CN CN2013201558923U patent/CN203159542U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103160305A (en) * | 2013-03-29 | 2013-06-19 | 陕西煤业化工技术研究院有限责任公司 | System and technique for directly preparing fuel oil from coal |
| CN105460890A (en) * | 2015-12-03 | 2016-04-06 | 东华工程科技股份有限公司 | Method for producing hydrogen by converting membrane separation impermeable gas obtained after membrane separation of oil wash dry gas used in coal liquefaction project |
| CN105460890B (en) * | 2015-12-03 | 2018-03-13 | 东华工程科技股份有限公司 | A kind of method of UF membrane impermeable gas reforming hydrogen manufacturing of the coal liquifaction project oil wash dry gas after UF membrane |
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Granted publication date: 20130828 Effective date of abandoning: 20160323 |
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